9 python developer jobs found in London

Python Developer A fast-growing sports data company are looking for an experienced Python contractor (3 months) to support high-impact integration work. What you’ll do: Build and maintain scalable services using Python 3.10+ Integrate with external platforms via REST APIs Work with real-time data pipelines using Kafka Contribute to exchange integrations (highly desirable) Collaborate in a modern AI-assisted dev environment (including Claude Code) What we’re looking for: Strong Python engineering background in production environments Solid experience designing and consuming RESTful APIs Hands-on experience with Kafka or similar streaming technologies Exposure to exchange integrations (betting, trading, or financial) is a big plus Comfortable working in fast-paced, data-driven teams Details: 3-month contract (potential extension) 2 days a week in London office is ideal but can flex if needed £600-£650p/d outside IR35 One stage...

Overview We are seeking a Senior Python Developer to support a large-scale digital transformation programme. The role focuses on building reliable Back End services, improving system performance, and contributing to a modern, scalable engineering environment. The client is open to strong EU-based talent. Role Detail: Contract Length: 3-6 months Rate: £250-400/day Outside IR35 (Depending on experience) Work Model: Fully Remote Key Skills and Experience Strong commercial experience with Python (Django) Solid understanding of REST APIs , microservices, and Back End architecture. Experience with cloud environments (AWS & Azure). Familiarity with CI/CD pipelines and modern DevOps practices. Strong understanding of relational and/or PostgreSQL. Ability to work in distributed teams and communicate clearly. Experience with Typescript and Svelte Good problem-solving skills and attention to detail. Nice to Have Experience with containerisation (Docker,...

Fullstack Developer ( Outside IR35) 6 months initial, scope for extension Between £600-700PD Remote. I am working with a fast scaling AI SaaS Platform, looking for Fullstack developers who can build end to end. They need expertise in Python Django, AWS & Typescript, and Engineers who are principally product focused, collaborative and can thrive in highly ambigious environments. Experience with distributed systems also a major plus as they are considering moving into this environment. They use Vue.js in the Frontend but will consider anyone with good Typescript backgrounds. This role has real scope for extension or a possible transition to a Snr/Principal perm position in the future

Role: Full-Stack Engineer Salary/Rate: £250-300 per day outside IR35 Location: Mainly remote - occasional London visits Contract Duration: 12-months We are currently looking for a Full-Stack Engineer for our client, an independent research technology start-up. This Full-Stack Engineer role is mainly remote, with occasional visits to the London office, as required by the business. Candidates must be based in the UK and already have the right to work. There is no further flexibility with the on-site requirement. The contract for the Full-Stack Engineer position is for 12-months, with potential to extend, operating outside IR35. Essential skills/experience required: Proven previous experience as a full-stack engineer Python (Flask) React background Comfortable working in AWS-hosted environments (with EKS) Proficiency in Git-based development workflows Experience working independently and communicating...

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence / cyber security company £500 - £750 per day (inside and outside IR35 roles available) London based organisation in an easily accessible location Contract Senior Software Engineer To apply please call or email WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R &D companies, Multi-National Consultancies to SME 's and product based companies. Due to the nature of the work these clients do, you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver...

Tech Lead - Python/TypeScript/C#/React/Azure £650-£750 per day | Outside IR35 | 6 Month Contract | Remote (Occasional London Travel) I'm currently working with a leading financial services technology consultancy that is looking to bring in an experienced Tech Lead to support the delivery of modern software solutions within the pensions and investment space. This is a hands-on leadership role, splitting your time between full-stack engineering and leading a small team of senior developers. The role offers the opportunity to work on complex platforms within a highly collaborative environment while helping shape modern engineering practices including AI-assisted and agentic development workflows. The role You will lead a team of four experienced engineers while remaining actively involved in the development process. Alongside technical leadership, you will play a key role in delivery coordination, Agile ceremonies, and stakeholder engagement. You will also act as a key...

Senior AI Engineer | £600/day Outside IR35 | 6-Month Contract Industry: Technology / Capital Markets Location: London - 3 days in office Job Type: Contract Our client, a forward-thinking technology organisation, is seeking a Senior AI Engineer to join a team building production-grade AI systems powered by large language models (LLMs). You will work closely with software engineers and product stakeholders to design, develop, and deploy scalable AI applications, focusing on multi-agent orchestration, intelligent tool integration, and reliable production workflows. Responsibilities Design and implement LLM-powered AI systems, including RAG pipelines, vector/knowledge databases, and agentic frameworks. Build and maintain production-grade AI applications with clean code, APIs, data pipelines, and robust error handling. Develop and maintain evaluation frameworks to measure and monitor system performance, accuracy, and reliability. Implement feedback loops...

Role: AI Engineer Location: Central London (Hybrid - 4 days onsite) Contract: 6 Months + Extensions Rate: £600–£800 per day (Outside IR35, flexible for exceptional candidates)   A leading European private credit manager is seeking an experienced AI Engineer to join on a contract basis. This role will focus on taking AI proof-of-concepts developed across the investment business and productionising them into scalable solutions.   You will act as the key bridge between investment teams (Portfolio Managers, Credit, and Origination) and technology, helping transform AI ideas into practical tools that enhance investment decision-making and operational efficiency.   Key Responsibilities: Serve as the designated AI engineering lead responsible for productionising AI POCs. Develop and fine-tune LLM-based solutions (e.g. RAG, prompt engineering, embeddings, vector search). Collaborate closely with investment...

GCP DevOps Engineer | Outside IR35 We are working with a growing consultancy delivering complex digital and cloud transformation programmes. They are looking for a GCP DevOps Engineer to join a high-performing engineering team on a contract basis, helping design, build and support scalable cloud platforms for large-scale projects. The Role You will play a key role in building and maintaining cloud-native infrastructure within Google Cloud Platform , enabling development teams to deliver secure, scalable and reliable services. Working within an agile engineering environment, you will focus on automation, CI/CD, infrastructure as code and platform reliability , helping teams ship production-ready systems while maintaining strong operational standards. You will collaborate closely with developers, architects and platform engineers to improve deployment pipelines, optimise cloud environments and ensure best practices across infrastructure and security. Key Responsibilities...